Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c

Index: webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c b/webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c
index 3deb08a75c9eb5b7558bbec8abd1af1c635aa210..d297b1556c68ec9d814c1dc97d2d40fcf40fbefb 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.c
@@ -21,13 +21,13 @@
 
 void WebRtcIlbcfix_CbSearchCore(
     int32_t *cDot,    /* (i) Cross Correlation */
-    int16_t range,    /* (i) Search range */
+    size_t range,    /* (i) Search range */
     int16_t stage,    /* (i) Stage of this search */
     int16_t *inverseEnergy,  /* (i) Inversed energy */
     int16_t *inverseEnergyShift, /* (i) Shifts of inversed energy
                                            with the offset 2*16-29 */
     int32_t *Crit,    /* (o) The criteria */
-    int16_t *bestIndex,   /* (o) Index that corresponds to
+    size_t *bestIndex,   /* (o) Index that corresponds to
                                                    maximum criteria (in this
                                                    vector) */
     int32_t *bestCrit,   /* (o) Value of critera for the
@@ -37,7 +37,7 @@ void WebRtcIlbcfix_CbSearchCore(
 {
   int32_t maxW32, tmp32;
   int16_t max, sh, tmp16;
-  int i;
+  size_t i;
   int32_t *cDotPtr;
   int16_t cDotSqW16;
   int16_t *inverseEnergyPtr;
@@ -103,7 +103,7 @@ void WebRtcIlbcfix_CbSearchCore(
   }
 
   /* Find the index of the best value */
-  *bestIndex = WebRtcSpl_MaxIndexW32(Crit, range);
+  *bestIndex = (size_t)WebRtcSpl_MaxIndexW32(Crit, range);
   *bestCrit = Crit[*bestIndex];
 
   /* Calculate total shifts of this criteria */